Use helpers to obtain task pid in printks (arch code)

One of the easiest things to isolate is the pid printed in kernel log.
There was a patch, that made this for arch-independent code, this one makes
so for arch/xxx files.

It took some time to cross-compile it, but hopefully these are all the
printks in arch code.

Signed-off-by: Alexey Dobriyan <adobriyan@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/alpha/mm/fault.c b/arch/alpha/mm/fault.c
index e0593e6..4829f96 100644
--- a/arch/alpha/mm/fault.c
+++ b/arch/alpha/mm/fault.c
@@ -194,7 +194,7 @@
 		goto survive;
 	}
 	printk(KERN_ALERT "VM: killing process %s(%d)\n",
-	       current->comm, current->pid);
+	       current->comm, task_pid_nr(current));
 	if (!user_mode(regs))
 		goto no_context;
 	do_group_exit(SIGKILL);